Summer is winding down, but the damage the sun, heat, and humidity (not to mention the chlorine and salt water) did to your hair isn't going to magically disappear any time soon. Rather than hacking your hair off and starting anew, try one of these new hair treatments, tried and tested by our editorial department. From swanky salon splurges to drugstore bargains, we put them to the test on our fried, frizzled hair.